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Top Forums UNIX for Dummies Questions & Answers Handling return & exit statements Post 302441804 by Scott on Monday 2nd of August 2010 12:01:45 PM
Old 08-02-2010
Using exit after your while-loop would prevent it returning to "script1" - although, you did source script2, so it's actually part of script1 now, anyway.
Code:
function ()
{
while read ln
do

done<${file}
exit
}

Why would you wish to do that?

Which shell, are you using? function is a reserved word in bash and ksh, so I trust that's not the name of your function?
 

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IO::Async::Loop::Glib(3pm)				User Contributed Perl Documentation				IO::Async::Loop::Glib(3pm)

NAME
"IO::Async::Loop::Glib" - use "IO::Async" with Glib or GTK SYNOPSIS
use IO::Async::Loop::Glib; my $loop = IO::Async::Loop::Glib->new(); $loop->add( ... ); ... # Rest of GLib/Gtk program that uses GLib Glib::MainLoop->new->run(); Or $loop->loop_forever(); Or while(1) { $loop->loop_once(); } DESCRIPTION
This subclass of "IO::Async::Loop" uses the "Glib::MainLoop" to perform read-ready and write-ready tests. The appropriate "Glib::IO" sources are added or removed from the "Glib::MainLoop" when notifiers are added or removed from the set, or when they change their "want_writeready" status. The callbacks are called automatically by Glib itself; no special methods on this loop object are required. CONSTRUCTOR
$loop = IO::Async::Loop::Glib->new() This function returns a new instance of a "IO::Async::Loop::Glib" object. It takes no special arguments. METHODS
There are no special methods in this subclass, other than those provided by the "IO::Async::Loop" base class. $count = $loop->loop_once( $timeout ) This method calls the "iteration()" method on the underlying "Glib::MainContext". If a timeout value is supplied, then a Glib timeout will be installed, to interrupt the loop at that time. If Glib indicates that any callbacks were fired, then this method will return 1 (however, it does not mean that any "IO::Async" callbacks were invoked, as there may be other parts of code sharing the Glib main context. Otherwise, it will return 0. SEE ALSO
o Glib - Perl wrappers for the GLib utility and Object libraries o Gtk2 - Perl interface to the 2.x series of the Gimp Toolkit library AUTHOR
Paul Evans <leonerd@leonerd.org.uk> perl v5.14.2 2013-03-01 IO::Async::Loop::Glib(3pm)
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